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Dropped of my 2003 at A&A - looking for 415 to 425 at the wheels with LT, CAI, Cam and Charlie magic on the dyno. What do you mean your not sure if it will pass smog?
From: Elmhurst, IL (West Suburb of Chicago) & Home of MEGA Horsepower
St. Jude Donor '06
Originally Posted by MVR 155
You could step your rocker arm ratio up, this would give you a bit more lift on your cam
I would suggest these things
-Long Tubes
-High flow/no cats
-The stock cat back flows fine so if you are on a budget no need to replace it
-Rockers
-Air intake (Donaldson, Vararam etc...)
-Pulleys
-Dyno Tuning
These items should get you very close to 400 rwhp with stock reliability and driveability.... these are the exact same mods I have planned for my car....good luck
Mike
I agree with MIKES statement above and the aftermarket rocker arms with the aformentioned bolt on listed by Mike will give you over 400rwhp!!! Call Speed Inc (LS1 Speed) in Schaumburg, IL, as they did these same mods to their 02 Z shop car a couple of seasons ago and pulled around 415rwhp I believe with the standard bolt ons, etc.!!! By putting on new rocker arms you do not touch the internals of the motor but will have to swap out valve springs!!!
I need a set of AFR heads. You can see by my sig. basically 425 SAERWHP 403 SAERWT as we speak. With the heads I should be 440rwhp+ I hope. Then I'll want something else.......Fast 90/90 I imagine.
I need a set of AFR heads. You can see by my sig. basically 425 SAERWHP 403 SAERWT as we speak. With the heads I should be 440rwhp+ I hope. Then I'll want something else.......Fast 90/90 I imagine.